Interesting Hair Facts

September 14, 2009 | In: Medical facts

Hair is composed of 50.65% carbon, 20.85% oxygen, 17.14% nitrogen, 6.36% hydrogen, and 5.0% sulfur. Hair also contains trace amounts of magnesium, arsenic, iron, chromium and other metals and minerals.

The normal scalp contains approximately 100,000 – 150,000 hair follicles.

It grows 12cm (almost 5 inches) on average, each year.

The hair of an adult can stretch 25% of its length before breaking.

In a lifetime, an average man will shave 20,000 times.

A single hair strand can hold up to100 grams of weight.

European hair grows a little faster than African hair.
Frequent washing does not increase loss of hair.

Normally, due to the higher levels of female hormones Estrogens, the growth cycle of hair is slower in women than in men.

Hair grows faster in summer than winter, and faster by day than by night.

Drinking lots of water can prevent your hair from looking dull, limp or oily.

Everybody loses between 50 and 100 hairs each day.